package InterfaceBlogDemo;

public class Keyboard implements IUsb{
    @Override
    public void openDevice() {
        System.out.println("打开键盘");
    }
    public void typing() {
        System.out.println("打字");
    }
    @Override
    public void closeDevice() {
        System.out.println("关闭键盘");
    }
}
